Fan- or disk-shaped titanium oxide particles, processes for prod

Details Fan- or disk-shaped titanium oxide particles, processes for prod Fan- or disk-shaped titanium oxide particles, processes for prod

1998-02-27

2000-08-08

Bell, Mark L.

Compositions: coating or plastic

Materials or ingredients

Pigment, filler, or aggregate compositions, e.g., stone,...

106437, 106438, 106441, 106442, 106446, 423610, 423612, 423615, 423616, 424 59, C09C 136

Patent

active

06099634&

ABSTRACT:
A titanyl sulfate solution or a titanium tetrachloride solution is neutralized with an alkali to form orthotitanic acid, to which hydrochloric acid is added such as to adjust the TiO.sub.2 concentration to 80-140 g/L and the HCl concentration to 90-150 g/L and a synthesis reaction is performed at a temperature of 25-60.degree. C. to produce titanium oxide particles in which needles aggregate and/or bind together to yield fan-shaped particles.

REFERENCES:
patent: 5827507 (1998-10-01), Oshima et al.

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